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over a small areal which yielded interesting settlement structures (R. Guicharneaud 1976; J.-Chr. Millet-

Conte 1994; G. Bosinski and R. Guicharneaud 2007).

The int artefacts are predominantly (more than 95%) made of Tertiary “Silex de Verdier” which occurs in

the Forêt de Gresigne and was transported by the Vère-river into the Aveyron near Bruniquel. Downstream

of Bruniquel these badly rounded and mostly small int pebbles are an element of the Aveyron gravel. At

Mirande they were used for bladelet production. Thicker akes were struck from the tested or partially

decorticated pebbles. The ventral face of these akes provided the striking platform of the bladelet cores.

On the working face, two akes were removed to create a crest which served to produce the rst bladelet.

Often the removal of the rst bladelet already failed due to a hinge fracture, and the core became useless.

The working face of these bladelet cores was mostly the distal part of the ake, resulting in end-scraper like

cores (grattoirs carénés, short endscrapers).

Another method used a struck off part of the pebble carrying a distinct ake negative which served as the

lower face (striking platform) of the future bladelet core. The bladelet production corresponds to the cores

from akes.

The cores and the bladelets are often very tiny. All of the many microliths retouched from these bladelets

are backed points with a straight back and a slightly convex cutting edge. The back was either blunted or

retouched on the ventral face. Dominant are small to tiny backed points which were, indeed, sometimes too

small to be found during the excavation. These points are often longitudinally curved and could not have

been inserted in a groove but were xed in an adhesive without touching the wooden shaft as is known from

Lascaux (J. Allain 1979).

Due to the sequence of the Abri Gandil at Bruniquel (E. Ladier, in press) and the stratigraphy of other sites

in Southern France and Cantabria, the nds from Mirande belong to the Initial Magdalenian between the

Badegoulien and the Middle Magdalenian.

References:

Allain, J. 1979. L’industrie lithique et osseuse de Lascaux. In: Arl. Leroi-Gourhan and J. Allain, Lascaux in-

connu, 87-119.

Bosinski, G. and Guicharneaud, R. 2007. The working of quartz at the Magdalenian site of Mirande, Comm.

Negrepelisse (Tarn-et-Garonne, France). In: Man – Millenia – Environment. Studies in honour of

Professor Romunald Schild, 253-262

Guicharneaud, R. 1976. Gisement de Mirande. IX Congrès UISPP, Nice, Livret-guide excursion A 5, 159.

Ladier, E. in press L’Abri Gandil. Un campement du Magdalénien inférieur à Bruniquel (Tarn-et-Garon-

ne).

Millet Conte, J.-Chr. 1994. Etude de l’industrie lithique du gisement magdalénien de Mirande (commune de

Negrepelisse, Tarn-et.-Garonne). Mémoire de Maitrise de Préhistoire Occidentale. Université de

Paris I.

✉ Gerhard Bosinski, 3 place Mazelviel, F-82140 Saint Antonin. [email protected]

Robert Guicharneaud, 3 rue Fagneau, F-82000 Montauban

Camille Bourdier, Geneviève Pinçon

Long or short? Approach of rock art lasting through two Magdalenian sculpted friezes.

The current studies of the Roc-aux-Sorciers and Cap-Blanc Magdalenian sculpted friezes yield evidence of

successive rock art sets, with the more or less important destruction of the previous ones. These interven-

tions on the friezes aim at thematic and technical variations. They seem to illustrate a symbolic recoding with

the evolution of the main theme and, more generally, the status change of themes in time. In these sites, the

association of archaeological levels gives the opportunity to examine the temporality of this symbolic dyna-

mism. Whereas the old excavations in Cap-Blanc prevent from linking rock art to the different occupations,

the stratigraphic and archaeological data in Roc-aux-Sorciers show that these changes occurred during the

Middle Magdalenian, between 18500 and 17000 cal. BP. This clearly raises the question of rock art lasting

and speed of evolution.

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